Erase

Hunting scenes, geometric patterns, hand stencils and other works of prehistoric art can exist on the walls of well-protected caves for tens of thousands of years - but only if there are no bats in the galleries.These flying mammals are…

JIEYUAN VILLAGE, China - When the Chinese government offered free cows to farmers in Jieyuan, villagers in the remote mountain community were skeptical. They feared the officers would ask them to return the cattle later with the calves…